$ git clone -n https://src.fedoraproject.org/rpms/postgresql15.git /var/lib/mock/f41-build-815209-149426/root/chroot_tmpdir/scmroot/postgresql15
Cloning into '/var/lib/mock/f41-build-815209-149426/root/chroot_tmpdir/scmroot/postgresql15'...
$ git fetch origin 6aa3e2b82a9b9ab41ef0a45213e39a4cdb385d1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postgresql15
 * [new ref]         6aa3e2b82a9b9ab41ef0a45213e39a4cdb385d1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aa3e2b Rebuilt for Python 3.13